The device has a display with three full subpixels per pixel, resulting in a sharp and crisp picture. Pixels in some displays (like AMOLED) share one subpixel to preserve space. This can result in a less crisp, slightly blurred image.

5.has an IPS screen

LG K4 (K130E)

LG K8

IPS (In-Plane Switching) is a technology used for LCDs. It was designed to overcome the main limitations of normal TFTs TN-matrices: relatively slow response times, small viewing angles and low quality color reproduction.

6.has a touch screen

LG K4 (K130E)

LG K8

You can operate the device easily, by pressing the screen with your fingers.

relevant

Performance

1.RAM

1GB

1.5GB

Best

Vivo NEX 2

10GB

2.Has AES

LG K4 (K130E)

LG K8

AES is used to speed up encryption and decryption.

3.Has dynamic frequency scaling

LG K4 (K130E)

LG K8

Dynamic frequency scaling is a technology that allows the processor to conserve power and reduce noise when it is under a light load.

4.OpenGL version

3.1 (Android 5.1 Lollipop)

3.1 (Android 6.0 Marshmallow)

OpenGL is used in games, with newer versions supporting better graphics.

Best

蘋果iPhone 5S 銀色

4

5.Has NX bit

LG K4 (K130E)

LG K8

NX bit helps protect the computer from malicious attacks.

6.Has TrustZone

LG K4 (K130E)

LG K8

A technology integrated into the processor to secure the device for use with features such as mobile payments and streaming video using digital rights management (DRM).

relevant

Cameras

1.megapixels

5MP

8MP

Best

Huawei Mate 20 X

40 & 20 & 8MP

2.video recording (main camera)

720 x 30fps

1080 x 30fps

The maximum resolution available for videos shot with the main camera. Although it may be possible to choose among other frame rates, those recordings usually have lower resolutions.

Best

Crosscall Trekker-X4

1080 x 120fps

3.front camera megapixels

2MP

5MP

Best

Wiko View2 Pro

16 & 16MP

4.has a flash

LG K4 (K130E)

LG K8

A flash is good for low-light environments, and can sometimes be used as flashlight.

5.has a front camera

LG K4 (K130E)

LG K8

A front camera, also called secondary camera, can be used for video chats/selfies.

6. more flash LEDs

1

1

Multi-LED camera flashes use LED lights which have different color temperatures (warm light and cool light), improving the color balance based on the conditions in which the photos are taken.

Best

Meizu 15 Lite

6

relevant

Audio

1.has a socket for a 3.5 mm audio jack

LG K4 (K130E)

LG K8

With a standard mini jack socket, you can use the device with most headphones.

2.number of microphones

1

1

More microphones result in better sound quality and enable the device to filter out background noise.

Best

Motorola Moto Z3

4

3.has a radio

LG K4 (K130E)

LG K8

It works as an FM radio with included headsets

relevant

Battery

1.battery power

1940mAh

2125mAh

Best

Energizer Power Max P16K Pro

16000mAh

2.has a removable battery

LG K4 (K130E)

LG K8

The battery is removable and can be replaced by the user if broken.

3.has a battery level indicator

LG K4 (K130E)

LG K8

An indicator shows you when the device has low battery.

4.has a rechargeable battery

LG K4 (K130E)

LG K8

The battery can be recharged and used over again.

relevant

Features

1.Is a multi-user system

LG K4 (K130E)

LG K8

2.Has offline voice recognition

LG K4 (K130E)

LG K8

Offline voice recognition enables you to perform voice actions, like dictating texts or using various voice commands, without an internet connection.

3.Allows app installs on the device's external storage

LG K4 (K130E)

LG K8

4.Supports Java

LG K4 (K130E)

LG K8

5.Is free and open source

LG K4 (K130E)

LG K8

Anyone is free to use, copy, study, and change the software in any way, and the source code is openly shared so that people are encouraged to voluntarily improve the design of the software.

6.Has sharing intents

LG K4 (K130E)

LG K8

If an app has sharing capabilities and the developers have indicated it, the app will automatically appear in your list of sharing options. Some OS’s limit direct sharing options to a select few apps, which means you have to open apps separately in order to upload the files you want to share.